CN103613989B - A kind of organic-silicon-modified LED-UV ink and preparation method thereof - Google Patents
A kind of organic-silicon-modified LED-UV ink and preparation method thereof Download PDFInfo
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- CN103613989B CN103613989B CN201310624302.1A CN201310624302A CN103613989B CN 103613989 B CN103613989 B CN 103613989B CN 201310624302 A CN201310624302 A CN 201310624302A CN 103613989 B CN103613989 B CN 103613989B
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Abstract
The present invention relates to a kind of organic-silicon-modified LED-UV ink and preparation method thereof, belong to technical field of ink.Organic-silicon-modified LED-UV ink of the present invention, its component and mass percentage are: free radical polyalcohol 30 ~ 40%, photoinitiator 3 ~ 8%, siliceous many vinyl ether compounds 2 ~ 6%, pigment 10 ~ 30%, solvent 5 ~ 20%, auxiliary agent 11 ~ 16%.This ink has that curing speed is fast, good weatherability, solvent resistance are good, strong adhesion and the feature such as rub resistance is excellent, is applicable to multiple mode of printing and Production requirement.
Description
Technical field
The present invention relates to a kind of organic-silicon-modified LED-UV ink and preparation method thereof, belong to technical field of ink.
Background technology
In recent years, UV technology achieves significant progress in Printing industry.Its advantage is apparent: time of drying is short, glossiness good, printability scope is wide.But because UV ink can only be dry under w light, need on printing production line, be equipped with extra equipment, as UV radiation fluorescent tube, switch box and pumping equipment, printing press also needs to use the ink roller of resistance to UV and special clean-out system, also ozone can be produced, to environment in UV ink printing process.In addition, more heat can be produced in UV printing process, the thermally sensitive stocks such as film are had a negative impact.
2008, Japanese Ryobi company illustrated LED-UV technology in De Luba exhibition, and technique solves most of traditional UV technology Problems existing.Compared with traditional UV technology, LED-UV technology does not produce heat, can not produce ozone in use procedure, and CO2 emissions also can significantly reduce, and can not cause disadvantageous effect to stock, and can save the energy of 80 ~ 90%.Because LED-UV EM equipment module is little, institute occupies and also can reduce.The light source life of LED-UV is more than 10 times of traditional UV, and LED-UV can realize momentary switch lamp, effectively boosts productivity.
But, because LED-UV curing mode can only launch the ultraviolet of single wavelength, so the ink that can solidify under single wavelength must be used during printing.Present market is in the development phase, and ink kind is also less.At present there are CN102863848A, CN102732094A, CN102719143A, CN103045007A for patent disclosed in LED-UV ink, the curing speed, curing efficiency, sticking power etc. of LED-UV ink are studied, do not relate to the research of the weathering resistance of LED-UV ink, solvent resistance, scratch resistance.The present invention is intended to develop the excellent LED-UV ink of weathering resistance, solvent resistance, scratch resistance.
Summary of the invention
Technical problem to be solved by this invention is to provide the LED-UV ink that a kind of good weatherability, Hardening are wear-resisting, solvent resistance is good.This ink film speed is fast, curing speed fast, good stability, ageing-resistant, scrape resistant, and production process environmental protection and energy saving are applicable to multiple mode of printing and production requirement.
For realizing object of the present invention, take following technical scheme:
A kind of organic-silicon-modified LED-UV ink, its component and mass percentage content are: free radical polyalcohol 30 ~ 40%, photoinitiator 3 ~ 8%, siliceous many vinyl ether compounds 2 ~ 6%, pigment 10 ~ 30%, solvent 5 ~ 20%, auxiliary agent 11 ~ 16%; Described siliceous many vinyl ether compounds are one or both in siliceous divinyl ether or siliceous many vinyl ether, and the chemical formula of described siliceous divinyl ether is as follows
Wherein R
1, R
2expression hydrogen atom, methyl or ethyl independently;
The chemical formula of described siliceous many vinyl ether is as follows
Wherein n gets the integer of 2 ~ 5.
Described photoinitiator is containing one or more the mixture in aminoalkyl-phenones, thioxanthone and multifunctional Aminobenzoate.
Described auxiliary agent is one or more mixture in defoamer, flow agent, filler, hyper-dispersant.
Described solvent is one or more the mixture in deionized water, ethanol and acetone.
Described free radical polyalcohol comprises simple function group free radical polyalcohol or polyfunctional group free radical polyalcohol.
Described simple function group free radical polyalcohol comprises one or more the mixture in N-caprolactam, N-vinylcarbazole, N-vinyl imidazole, NVP, the different methane amide of N-vinyl, the different ethanamide of N-vinyl, N-vinylisobutyramide.
Polyfunctional group free radical polyalcohol comprises polyfunctional group methacrylic ester, polyfunctional group vinyl ethers, wherein preferred polyfunctional group methacrylic ester.
Polyfunctional group methacrylic ester, comprise one or more the mixture in neopentyl glycol methacrylic ester, HDDMA, ethylene glycol dimethacrylate, polyethylene glycol dimethacrylate, polypropylene glycol dimethacrylate and glycerol trimethacrylate.
Described polyfunctional group vinyl ethers, comprises one or more the mixture in ethylene glycol mono vinyl ether, n-butyl vinyl ether, ethylene glycol divinyl ether and cyclohexanedimethanol divinyl base ether.
The preparation method of organic-silicon-modified LED-UV ink provided by the invention is as follows:
Step one: free radical polyalcohol, photoinitiator, siliceous many vinyl ether compounds, pigment, solvent, auxiliary agent are dropped in airtight reaction vessel by proportioning, in the temperature range of 40 ~ 50 DEG C, rotating speed is stir 1 ~ 2h in the stirrer of 400 ~ 600rpm, and raw material is mixed;
Step 2: use three-roll grinder carry out attrition process to 5 ~ 25um to raw material scattered in step one, namely obtain organic-silicon-modified LED-UV ink.
Instant invention overcomes the shortcoming of existing LED-UV ink, a kind of organic-silicon-modified LED-UV ink is provided.Siliceous vinyl ether compound because positively charged ion exist and make ink polymerizability excellent, and due to the introducing of Siliciumatom, make ink have better weathering resistance, solvent resistance, scratch resistance, over-all properties performance is more excellent.
Embodiment
The present invention is illustrated further by following unrestriced embodiment, but is not used to limit the scope of the invention, and the per-cent in ink formulations is weight ratio.
Embodiment 1
The each component proportion of ink is as follows:
Under 40 DEG C of environment, it is stir 1h in the stirrer of 400rpm that each component raw material is placed on rotating speed according to above ratio mixing, and raw material is mixed.Again the raw material mixed above is placed in three-roll grinder and grinds 0.5h, make raw material reach the fineness of 10um, namely obtain organic-silicon-modified LED-UV ink.
Gained ink, by Infrared Heating levelling, oven dry, utilizes 365nmLED-UV radiation of light source in paper material surface cure film forming, and after test, its performance is as shown in table 1.
Table 1
Embodiment 2
The each component proportion of ink is as follows:
Under 50 DEG C of environment, it is stir 1.5h in the stirrer of 500rpm that each component raw material is placed on rotating speed according to above ratio mixing, and raw material is mixed.Again the raw material mixed above is placed in three-roll grinder and grinds 0.5h, make raw material reach the fineness of 15um, namely obtain organic-silicon-modified LED-UV ink.
Gained ink, by Infrared Heating levelling, oven dry, utilizes the LED-UV radiation of light source of 365nm in paper material surface cure film forming, and after test, its performance is as shown in table 2.
Table 2
Embodiment 3
The each component proportion of ink is as follows:
Under 45 DEG C of environment, it is stir 1h in the stirrer of 600rpm that each component raw material is placed on rotating speed according to above ratio mixing, and raw material is mixed.Again the raw material mixed above is placed in three-roll grinder and grinds 0.5h, make raw material reach the fineness of 20um, namely obtain organic-silicon-modified LED-UV ink.
Gained ink, by Infrared Heating levelling, oven dry, utilizes the LED-UV radiation of light source of 365nm in paper material surface cure film forming, and after test, its performance is as shown in table 3.
Table 3
Embodiment 4
The each component proportion of ink is as follows:
Under 50 DEG C of environment, it is stir 1h in the stirrer of 400rpm that each component raw material is placed on rotating speed according to above ratio mixing, and raw material is mixed.Again the raw material mixed above is placed in three-roll grinder and grinds 1h, make raw material reach the fineness of 20um, namely obtain organic-silicon-modified LED-UV ink.
Gained ink, by Infrared Heating levelling, oven dry, utilizes the LED-UV radiation of light source of 365nm in paper material surface cure film forming, and after test, its performance is as shown in table 4.
Table 4
Embodiment 5
The each component proportion of ink is as follows:
Under 50 DEG C of environment, it is stir 2h in the stirrer of 400rpm that each component raw material is placed on rotating speed according to above ratio mixing, and raw material is mixed.Again the raw material mixed above is placed in three-roll grinder and grinds 0.5h, make raw material reach the fineness of 15um, namely obtain organic-silicon-modified LED-UV ink.
Table 5
Gained ink, by Infrared Heating levelling, oven dry, utilizes the LED-UV radiation of light source of 365nm in paper material surface cure film forming, and after test, its performance is as shown in table 5.
Claims (9)
1. an organic-silicon-modified LED-UV ink, it is characterized in that, its component and mass percentage content are: free radical polyalcohol 30 ~ 40%, photoinitiator 3 ~ 8%, siliceous many vinyl ether compounds 2 ~ 6%, pigment 10 ~ 30%, solvent 5 ~ 20%, auxiliary agent 11 ~ 16%; Described siliceous many vinyl ether compounds are one or both in siliceous divinyl ether or siliceous many vinyl ether, and the chemical formula of described siliceous divinyl ether is as follows
Wherein R
1, R
2expression hydrogen atom, methyl or ethyl independently;
The chemical formula of described siliceous many vinyl ether is as follows
Wherein n gets the integer of 2 ~ 5.
2. ink according to claim 1, is characterized in that, photoinitiator is containing one or more the mixture in aminoalkyl-phenones, thioxanthone and multifunctional Aminobenzoate.
3. ink according to claim 1, is characterized in that, described auxiliary agent is one or more mixture in defoamer, flow agent, filler, hyper-dispersant.
4. ink according to claim 1, is characterized in that, described solvent is one or more the mixture in deionized water, ethanol and acetone.
5. ink according to claim 1, is characterized in that, described free radical polyalcohol comprises simple function group free radical polyalcohol or polyfunctional group free radical polyalcohol.
6. ink according to claim 5, it is characterized in that, described simple function group free radical polyalcohol comprises one or more the mixture in N-caprolactam, N-vinylcarbazole, N-vinyl imidazole, NVP, N-vinylisobutyramide.
7. ink according to claim 5, is characterized in that, described polyfunctional group free radical polyalcohol comprises polyfunctional group methacrylic ester or polyfunctional group vinyl ethers.
8. ink according to claim 7, it is characterized in that, described polyfunctional group methacrylic ester, comprise one or more the mixture in HDDMA, ethylene glycol dimethacrylate, polyethylene glycol dimethacrylate, polypropylene glycol dimethacrylate and glycerol trimethacrylate.
9. the preparation method of ink described in any one in claim 1 to 8, is characterized in that comprising the steps:
Step one: free radical polyalcohol, photoinitiator, siliceous many vinyl ether compounds, pigment, solvent, auxiliary agent are dropped in airtight reaction vessel by proportioning, in the temperature range of 40 ~ 50 DEG C, rotating speed is stir 1 ~ 2h in the stirrer of 400 ~ 600rpm, and raw material is mixed;
Step 2: use three-roll grinder to raw material scattered in step one carry out attrition process to 5 ~ 25 μm, namely obtain organic-silicon-modified LED-UV ink.
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| CN103358742A (en) * | 2012-03-28 | 2013-10-23 | 精工爱普生株式会社 | Ink jet recording method, ultraviolet curable ink, and ink jet recording apparatus |
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| CN103358742A (en) * | 2012-03-28 | 2013-10-23 | 精工爱普生株式会社 | Ink jet recording method, ultraviolet curable ink, and ink jet recording apparatus |
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| 含杂原子多乙烯基醚化合物的最新进展;孙月茹等;《信息记录材料》;20071231;第8卷(第6期);第33-38页 * |
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